#ifndef RBIMPL_DOSISH_H /*-*-C++-*-vi:se ft=cpp:*/ #define RBIMPL_DOSISH_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief Support for so-called dosish systems. */ #ifdef __CYGWIN__ #undef _WIN32 #endif #if defined(_WIN32) /* DOSISH mean MS-Windows style filesystem. But you should use more precise macros like DOSISH_DRIVE_LETTER, PATH_SEP, ENV_IGNORECASE or CASEFOLD_FILESYSTEM. */ #define DOSISH 1 # define DOSISH_DRIVE_LETTER #endif #ifdef _WIN32 #include "ruby/win32.h" #endif /** The delimiter of `PATH` environment variable. */ #if defined(DOSISH) #define PATH_SEP ";" #else #define PATH_SEP ":" #endif /** Identical to #PATH_SEP, except it is of type `char`. */ #define PATH_SEP_CHAR PATH_SEP[0] /** * @private * * @deprecated This macro once was a thing in the old days, but makes no sense * any longer today. Exists here for backwards compatibility * only. You can safely forget about it. * * @internal * * For historical interests: there was an operating system called Human68k * which used an environment variable called `"path"` for this purpose. */ #define PATH_ENV "PATH" #if defined(DOSISH) #define ENV_IGNORECASE #endif /** * Stone age assumption was that an operating system supports only one file * system at a moment. This macro was to detect if such (one and only) file * system has case sensitivity. This assumption is largely not true any * longer; most operating systems can mount many kinds of file systems side by * side. Also there are file systems that do or do not ignore cases depending * on configuration (e.g. EXT4's `casefold` feature). * * This macro is still used internally (for instance Ruby level constant * `File::FNM_SYSCASE` depends on it), but it is basically a wrong idea for you * to use it today. Please just find another way. */ #ifndef CASEFOLD_FILESYSTEM # if defined DOSISH # define CASEFOLD_FILESYSTEM 1 # else # define CASEFOLD_FILESYSTEM 0 # endif #endif #endif /* RBIMPL_DOSISH_H */ SIMPAN PERUBAHAN